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A pencil case can also contain a variety of other stationery such as sharpeners, pens, glue sticks, erasers, scissors, and rulers. Pencil cases can be made from a variety of materials such as wood or metal. Some pencil cases have a hard and rigid shell encasing the pens inside, while others use a softer material such as plastic, leather or cotton.
The most common pencil casing is thin wood, usually hexagonal in section, but sometimes cylindrical or triangular, permanently bonded to the core. Casings may be of other materials, such as plastic or paper. To use the pencil, the casing must be carved or peeled off to expose the working end of the core as a sharp point.
In Adventures in Stationery, James Ward presents the history of numerous items of stationery, integrated with his personal opinions and current trends.Some of the topics discussed include the invention of the ballpoint pen by László Bíró, [1] the development of the Pritt glue stick, the design of the paperclip, the shape of Stabilo highlighters, [2] the possible uses of Blu-Tack, and urban ...
Metal zippers are the classic zipper type, found mostly in jeans and pencil cases today. The teeth are not a coil, but are instead individual pieces of metal molded into shape and set on the zipper tape at regular intervals. Metal zippers are made with brass, aluminium and nickel. All these zippers are basically made from flat wire.
An AG-7 Astronaut Space Pen in presentation case. Bullet pen. The Space Pen (also known as the Zero Gravity Pen), marketed by Fisher Space Pen Company, is a pen that uses pressurized ink cartridges and is able to write in zero gravity, underwater, over wet and greasy paper, at any angle, and in a very wide range of temperatures.
The technique of binaural re-recording is simple but has not been well established. It follows the same principles of Worldizing, [ 31 ] a technique used by film sound designers in which sound is played over a loudspeaker in a real-world location and then re-recorded, taking along all the aspects and characteristics of the real-world ...
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